DETACHABLE PLUG-IN CONNECTION FOR PIPES

WIPO Patent Application WO1988006252

A3

Detachable plug-in connection for pipes, whereby the ends of two pipes for fluid media, particularly fuel pipes in an internal combustion engine, are connected by a coupling sleeve, with a sleeve part (4), with at least one plug-in opening (6) provided with an elastic sealing element (7), for the reception of the end (2) of a pipe, said pipe end being fitted with a retaining band (3). The plug-in opening is provided with a stop part (10), reaching over and gripping the retaining band (3) on the end (2) of the pipe. In order to simplify the construction and increase its reliability, the sleeve part (4) is provided with a coaxially arranged conduction sleeve (9) on the side of the plug-in opening (6) in which the closure part (10) is axially mobile. The conduction sleeve (9) is provided with an access opening (14), closed by a radially and inward projecting closure band (15) and with at least one retaining clip, which can move in the direction of the stop part (10). Said stop part (10) is essentially cylindrical and provided with a retaining collar (17) facing towards the inner surface of the conduction sleeve (9), and is radially ductile at the end which faces the access opening (14) or (9), provided also with a rotatable stop collar (18), inward facing and reaching over and gripping the retaining band (3) of the inserted pipe end. The outer circumference of said collar may rest on the closure band (15) of the conduction sleeve (9).

VORSCHEPOTH HEINRICH (DE)
BOWERS REX (DE)

PCT/EP1988/000116

October 06, 1988

February 18, 1988

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VORSCHEPOTH HEINRICH (DE)
BOWERS REX (DE)

F16L37/098; F16L37/12; (IPC1-7): F16L37/12

US3241864A	1966-03-22
US3873062A	1975-03-25
US2516907A	1950-08-01
FR2524114A1	1983-09-30
DE2025474A1	1970-11-26

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